被具传染性的蚊虫叮咬之后3-14天出现症状。
而且这些人对于生活的消极看法是具传染性的。
被具传染性的叮咬之后3 -14天出现症状(平均4 -7天)。
Symptoms appear in 3-14 days (average 4-7 days) after the infective bite.
“流感是十分具有传染性的，如果它在人和动物之间传播，那这头猪就没必要呆在这儿了。”动物园参观者Farzana说。
"Influenza is quite contagious and if it passes between people and animals then there's no need for the pig to be here," zoo visitor Farzana said.
疟疾是一种具传染性并由蚊子携带传播所引起的慢性疾病。
Malaria is a chronic contagious disease carried and transmitted by mosquitoes.
疟疾是一种具传染性并由蚊子携带传播所引起的慢性疾病。
Malaria is a chronic contagious disease carried and transmitted by mosquitoes.
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